Vorlesungen über nichtlineare Operatorengleichungen. (German) Zbl 0332.47026

Teubner-Texte zur Mathematik. Leipzig: BSB B.G. Teubner Verlagsgesellschaft. 184 S. M 16.00 (1976).


47Hxx Nonlinear operators and their properties
47-02 Research exposition (monographs, survey articles) pertaining to operator theory
45Gxx Nonlinear integral equations
54H25 Fixed-point and coincidence theorems (topological aspects)
58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces
55M25 Degree, winding number